<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>proto</title>
</head>
<body>
<script !src="">
    "use strict";
    let studnet = {
        name: "student",
        role: "student",
        run: function () {
            console.log(this.name + "running~")
        }
    };

    //指定原型，但是原型存在随意性
    let zsh = {};
    zsh.__proto__ = studnet;

</script>
</body>
</html>